Polymerisable material
US8980972B2 · kind B2 · utility
44Cited by
16References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 2012 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Sep 23, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/043
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Polymerisable material which comprises a polymerisable group, a siloxane group-containing component and a zwitterionic group is described. The polymerisable material may be used to produce polymers and articles, in particular contact lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.